Peter casey



(No Model.)

P.GASEY WOOD GRAINING MAGHI NE.

No. 466,322. Patented Jan. 5, 1892.-

, INVENTOR".

,UNITED STATES 1 PATENT OFFIC PETER CASEY, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR TO HIMSELF AND JOHN SHANNON, OF SAME PLACE, AND WILLIAM W. GRIER, OF HULTON,

PENNSYLVANIA.

EWOOD-GRAINING MACHINE.

' SPECIFICATION formingpart of Letters Patent No. 466,322, dated January 5, 1892.

Application filed January 30,1891. Serial No. 379,625. (No model.)

To all whom it may concern..-

Be it known that 1, PETER CASEY, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Wood-Graining Machines, of which the following is a full, clear, and exact description.

My invention relates 'to an improvement in mechanism adapted to the treatment of soft wood, &c., to cause it to resemble in appearance hard wood, such as oak, by impressing on its surface numerous indentations shaped and relatively arranged in imitation of the pores of the wood intended to be simulated. [5 Such indentations may be formed on the surface of the wood by means of a drum having on its periphery a series of cuttingedges or knife-blades or points, and on passing the wood in contact with the roller, or passing :0 the roller over the wood, the desired indentations are produced and may afterward be filled with a suitable filler.

My present invention relates to a certain novel construction of the indenting-roller, and is illustrated in the accompanying drawings, in which Figure 1 is a plan view of part of the periphery of the roller without the indentingknives. Fig. 2- is a transverse section show- 0 ing the knives, the section being as if'on' the line H II of Fig. 1. Fig. 3 is a vertical axial section of the roller. .Fig. 4 is a perspective View of one of the knives.

Like symbols of reference indicate like 5 parts in each.

The object of my invention is to secure the indenting-knives rigidly and securely to the roller, which may be made of two interfitted cylindrical parts 2, and may be formed with 40 end flanges 3, as shown in Fig. 3. To hold the indenting-knives in their place, I employ keyribs or dovetail projections 4, which extend peripherally along the roller at short intervals apart, parallel with each other, and may 'be held in place by screws 5, the purpose of making them separate from the roller and afterward applying them thereto being to facilitate manufacture of the roller.

My invention, broadly considered, is not limited to removably securing the key-ribs to the roller, but will cover their formation integral therewith. The indenting-knives are formed of steel strips 6, curved edgewise to conform to the curvature of the roller, and dovetailed at their lower edges so as to be adapted to fit on the key-ribs, as shown in Figs. 2 and 4. These sections may be made long or short, as may be desired; but they are preferably made short in order to permit of their independent removal for the purpose of sharpening or renewal. The upper edges of the knives are preferably sharpened, as shown in Figs. 3 and 4, and they are notched or cut away, as at 7, the notches of the several strips being arranged relatively to each other, so that the prominent knife-edged portions shall be adapted to indent the wood with the desired pattern. The knife-strips are set on the roller-surface on the key-strips, which hold them securely, and when all are in place they maybe clamped by bolts 8, which act on the ,sections'of the roller and draw them together.

If desirable for the production of the desired pattern, the adjacent strips may be separated somewhat by interposing washers 9, Fig. 3.

A desirable mode of forming the several knives or strips so that they shall produce the pattern is to secure them all upon the roller, and then to etch out portions of their edges by acid, as described in John Shannous application, Serial No. 350,748, or to cut thembysuitable tools; or they may be out before they are applied to the roller.

When any one of the knives becomes worn or injured itcan be removed or replaced by another of the same shape, and it is this facility in setting which constitutes one of the prime features of advantage of the improvement.

A roller constructed as I have described may be adapted to produce very intricate and 0 beautiful designs on wood, and its cheapness and simplicity of construction will commend it to thoseskilled in the art.

I claim- 1.- In a device for indenting wood, the combination, with a roller having a series of parallel surface keys, of indenting-knives conset removably on said keys, substantially as sisting of the strips set removably on said and for the purposes described. 10 keys in parallel position and held thereby, In testimony whereof I have hereunto set substantially as and for the purposes demy hand this 26th day of January, A. D. 1891.

5 scribed. PETER CASEY.

2. In a device for indenting wood, the com- Vitnesses: bination, with a roller having keys removably W. B. CORWIN,

secured to its surface, of indenting-knives I-I. M.CORWIN. 

